PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-01:57:40
G10     243.8          22.1               12.8 +/-    2.66      26.7 +/-    2.66  0.040 / 0.060
G13     61.3           32.8                8.3 +/-    0.85      13.7 +/-    0.85  0.040 / 0.060
G15     101.4          57.1               10.8 +/-    1.06      12.6 +/-    1.06  0.120 / 0.210
G16     305.6          14.4                5.5 +/-    2.43      13.9 +/-    2.43  0.110 / 0.210
G20     259.8          45.2                9.6 +/-    0.74      12.9 +/-    0.74  0.120 / 0.490
G21     325.0          54.5                8.8 +/-    0.98      10.6 +/-    0.98  0.110 / 0.460
G26     277.4          18.0                7.7 +/-    1.47      17.7 +/-    1.47  0.050 / 0.130
G29     159.2          57.3               10.1 +/-    0.97      11.8 +/-    0.97  0.060 / 0.110